ListView

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"><fragmentandroid:name="com.twl.myapplication.Fragment_Left"android:id="@+id/fm_left"android:layout_weight="1"android:layout_width="0dp"android:layout_height="match_parent"></fragment><fragmentandroid:name="com.twl.myapplication.Fragment_Right"android:id="@+id/fm_right"android:layout_weight="3"android:layout_width="0dp"android:layout_height="match_parent"></fragment>
</LinearLayout>

fm_left.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent">
<ListViewandroid:id="@+id/lv_left"android:background="@color/C_group_2"android:layout_width="match_parent"android:layout_height="match_parent">
</ListView>
</LinearLayout>

fm_right.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:padding="20dp"android:background="@color/C_group_3"android:layout_width="match_parent"android:layout_height="match_parent"><ImageViewandroid:id="@+id/iv_icon"android:src="@mipmap/ic_launcher"android:layout_gravity="center"android:layout_width="100dp"android:layout_height="100dp"></ImageView><TextViewandroid:id="@+id/tv_info"android:text="测试文本"android:textSize="20dp"android:textColor="@color/C_group_5"android:layout_width="match_parent"android:layout_height="match_parent"></TextView>
</LinearLayout>

list_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="wrap_content"><TextViewandroid:id="@+id/tv_title"android:text="测试文本"android:textSize="25dp"android:gravity="center"android:layout_width="match_parent"android:layout_height="100dp"></TextView>
</LinearLayout>

Animal.java

package com.twl.myapplication;public class Animal {private String[] names = { "小猫", "哈士奇", "小黄鸭","小鹿","老虎"};private int[]  icons= { R.drawable.cat,R.drawable.siberiankusky,R.drawable.yellowduck,R.drawable.fawn, R.drawable.tiger};private String[] introduces = {"猫，属于猫科动物，分家猫、野猫，是全世界家庭中较为广泛的宠物。","西伯利亚雪橇犬，常见别名哈士奇，昵称为二哈。","鸭的体型相对较小，颈短，一些属的嘴要大些。腿位于身体后方，因而步态蹒跚。","鹿科是哺乳纲偶蹄目下的一科动物。体型大小不等，为有角的反刍类。","虎，大型猫科动物；毛色浅黄或棕黄色，满有黑色横纹；头圆、耳短，耳背面黑色，中央有一白斑甚显著；四肢健壮有力；尾粗长，具黑色环纹，尾端黑色。"};public String[] getNames() {return names;}public int[] getIcons() {return icons;}public String[] getIntroduces() {return introduces;}
}

Fragment_left.java

public class Fragment_Left extends Fragment {private TextView tv_name,tv_info;private ImageView iv_icon;private View view;private int[] setIcon;private String[] setName;private String[] setInfo;private ListView listView;@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {view=inflater.inflate(R.layout.fm_left,container,false);Animal animal=new Animal();setName=animal.getNames();setIcon=animal.getIcons();setInfo=animal.getIntroduces();if (view!=null){listView=view.findViewById(R.id.lv_left);if (setName!=null){listView.setAdapter(new MyAdapter());}}listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {Fragment_Right fr=(Fragment_Right)((MainActivity)getActivity()).getSupportFragmentManager().findFragmentById(R.id.fm_right);fr.setText(setInfo[position]);fr.setImageResource(setIcon[position]);}});return view;}public class MyAdapter extends BaseAdapter{@Overridepublic int getCount() {return setIcon.length;}@Overridepublic Object getItem(int position) {return setIcon[position];}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {convertView=View.inflate(getActivity(),R.layout.list_item,null);tv_name=convertView.findViewById(R.id.tv_title);tv_name.setText(setName[position]);return convertView;}}
}

Fragment_right.java

public class Fragment_Right extends Fragment {private TextView tv_info;private ImageView iv_icon;private View view;@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {view=inflater.inflate(R.layout.fm_right,container,false);if (view!=null){tv_info=view.findViewById(R.id.tv_info);iv_icon=view.findViewById(R.id.iv_icon);}setText(new Animal().getIntroduces()[0]);setImageResource(new Animal().getIcons()[0]);return view;}public void setText(String text){tv_info.setText(text);}public void setImageResource(int id){iv_icon.setImageResource(id);}
}

效果图

RecyclerView

public class Fragment_Left extends Fragment {private TextView tv_name;private View view;private int[] setIcon;private String[] setName;private String[] setInfo;private RecyclerView recyclerView;@Nullable@Overridepublic View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {view=inflater.inflate(R.layout.fm_left,container,false);Animal animal=new Animal();setName=animal.getNames();setIcon=animal.getIcons();setInfo=animal.getIntroduces();if (view!=null){recyclerView=view.findViewById(R.id.lv_left);if (setName!=null){recyclerView.setLayoutManager(new GridLayoutManager(getActivity(),setIcon.length));recyclerView.setAdapter(new MyAdapter());}}return view;}public class MyAdapter extends RecyclerView.Adapter<MyHolder>{@NonNull@Overridepublic MyHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {View view=View.inflate(getActivity(),R.layout.list_item,null);MyHolder myHolder=new MyHolder(view);return myHolder;}@Overridepublic void onBindViewHolder(@NonNull MyHolder holder, int position) {holder.tv_name.setText(setName[position]);holder.itemView.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Fragment_Right fr=(Fragment_Right)((MainActivity)getActivity()).getSupportFragmentManager().findFragmentById(R.id.fm_right);fr.setText(setInfo[position]);fr.setImageResource(setIcon[position]);}});}@Overridepublic int getItemCount() {return setIcon.length;}}private class MyHolder extends RecyclerView.ViewHolder{TextView tv_name;public MyHolder(@NonNull View itemView) {super(itemView);tv_name=itemView.findViewById(R.id.tv_title);}}
}

效果图

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使用Fragment和ListView、RecyclerV实现动物信息显示

文章目录

ListView

activity_main.xml

fm_left.xml

fm_right.xml

list_item.xml

Animal.java

Fragment_left.java

Fragment_right.java

效果图

RecyclerView

效果图

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